Michael Meißner Michael C. Doggett Urs Kanus Johannes Hirche Accelerating volume rendering using an on-chip SRAM occupancy map. 757-760 2001 conf/iscas/2001 ISCAS (2) http://doi.ieeecomputersociety.org/10.1109/ISCAS.2001.921181 db/conf/iscas/iscas2001-2.html#MeissnerDKH01